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You are here:   » Products » Optical Technologies » Components » Fiber Optics » Fibers » Specialty Fibers » Gold and Aluminum Coated Fiber - Metal Jacket Series

Specialty Fibers

Gold and Aluminum Coated Fiber - Metal Jacket Series

Key Features

  • Extremely high tensile strength
  • High operating temperature
  • Cryogenic operating temperature
  • Stress and chemical corrosion resistant
  • Radio opaque
  • Aluminum buffer is hermetic
  • Solderable
  • Sterilizable using ETO, steam, e-beam, or gamma radiation
  • No outgassing or oxidation


Metal coated/buffered fibers were originally developed for ultra high reliability telecommunications applications. The metal coating preserves the high initial mechanical strength and provides resistance against static fatigue (the failure under long term tensile loading), and in particular Aluminum, a hermetic coating to the fiber. In addition to high strength, metal coated fibers can be used at very high temperatures. Aluminum coated optical fibers have a rated operating range of -269°C to +400°C. Tight buffered Gold coated fibers have a rated operating range of -269°C to +700°C.


  • Rocket, turbine, and jet engine monitoring
  • Aircraft, missile and spacecraft sensing and measurement
  • Radiation resistant sensors
  • Ultra high vacuum devices
  • High temperature and cryogenic temperature sensing
  • Corrosive and caustic environments
  • Material fatigue sensing
  • Scanning near-field optical microscopy (SNOM)
  • Down-hole sensing for oil and gas industry
  • Allows time-resolved x-ray and optical streak camera data from laser-produced plasmas to be synchronized
  • Chemical analysis